15628391779

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{4637}}^1$

素因数の和:4725

約数の個数: 72

約数和(自身を含む): 22060813968

約数和(自身を除く): 6432422189

約数列:

[1, 7, 11, 13, 37, 49, 77, 91, 143, 169, 259, 407, 481, 539, 637, 1001, 1183, 1813, 1859, 2849, 3367, 4637, 5291, 6253, 7007, 8281, 13013, 19943, 23569, 32459, 37037, 43771, 51007, 60281, 68783, 91091, 171569, 227213, 259259, 306397, 357049, 421967, 481481, 663091, 783653, 1200983, 1887259, 2230397, 2499343, 2953769, 3370367, 4641637, 5485571, 8406881, 8620183, 13210813, 15612779, 24534367, 28995161, 32491459, 38398997, 60341281, 92475691, 109289453, 171740569, 202966127, 318946771, 422388967, 1202183983, 1420762889, 2232627397, 15628391779]

約数ペア:

[(1, 15628391779), (7, 2232627397), (11, 1420762889), (13, 1202183983), (37, 422388967), (49, 318946771), (77, 202966127), (91, 171740569), (143, 109289453), (169, 92475691), (259, 60341281), (407, 38398997), (481, 32491459), (539, 28995161), (637, 24534367), (1001, 15612779), (1183, 13210813), (1813, 8620183), (1859, 8406881), (2849, 5485571), (3367, 4641637), (4637, 3370367), (5291, 2953769), (6253, 2499343), (7007, 2230397), (8281, 1887259), (13013, 1200983), (19943, 783653), (23569, 663091), (32459, 481481), (37037, 421967), (43771, 357049), (51007, 306397), (60281, 259259), (68783, 227213), (91091, 171569)]